Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gary Alan Pasternak, MD

Individual provider Internal Medicine Physician · NPI 1194820688

Gary Alan Pasternak, MD is an Internal Medicine Physician in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1670 S Amphlett Blvd Ste 300
San Mateo, CA 94403
Phone: (650) 554-1000
Fax: (650) 554-1018
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G55926 (CA)

Record details

NPI number1194820688
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 13, 2006
Last updated in NPPESDecember 17, 2010
Mailing address16460 Ferris Ave, Los Gatos, CA 95032

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